| Person/Event | Year (Birth/Beginning of reign - Death, |
|---|
| Battle of Actium | |
| Conferral of name 'Augustus' | |
| Principate | |
| Dominate | |
| Last Roman Emperor in the West | |
| Holy Roman Empire | |
| Fall of Constantinople | |
| Augustus | |
| Tiberius | |
| Caligula | |
| Claudius | |
| Nero | |
| Galba | |
| Otho | |
| Vitellius | |
| Vespasian | |
| Titus | |
| Domitian | |
| Nerva | |
| | Person/Event | Year (Birth/Beginning of reign - Death, |
|---|
| Trajan | |
| Hadrian | |
| Antoninus Pius | |
| Marcus Aurelius | |
| Lucius Verus | |
| Commodus | |
| Pertinax | |
| Didius Julianius | |
| Septimius Severus | |
| Diocletian | |
| Constantine | |
| Augustus | |
| Appian | |
| Suetonius | |
| Tacitus | |
| Pliny | |
| Historia Augusta | |
| Noah Webster | |
| Federal Farmer | |
|
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